OpenAI o4 Mini High vs Grok 3

Compare OpenAI o4 Mini High by OpenAI against Grok 3 by xAI, in 1 community votes, openai o4 mini high and grok 3 are closely matched, context windows of 200K vs 128K, tested across 24 shared challenges. Updated February 2026.

In 1 community votes, OpenAI o4 Mini High and Grok 3 are closely matched. Based on blind community voting from the RIVAL open dataset of 1+ human preference judgments for this pair.

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